 
 web.xml:
 <servlet>
    <servlet-name>perf4j</servlet-name>
    <servlet-class>org.perf4j.log4j.servlet.GraphingServlet</servlet-class>
    <!--
      The graphNames parameter determines which graphs to expose. The
      param-value should be a comma-separated list of the
      appender NAMES as defined in the log4j.xml file.
    -->
    <init-param>
        <param-name>graphNames</param-name>
        <param-value>graphExecutionTimes,graphExecutionTPS</param-value>
    </init-param>
</servlet>

<servlet-mapping>
    <servlet-name>perf4j</servlet-name>
    <url-pattern>/perf4j</url-pattern>
</servlet-mapping>


